Durable and Puncture Resistant, EPDM is very versatile and is used in a wide variety of pond applications, pondless waterfall, skimmers and waterfalls, retention ponds, Koi and fish hatcheries * EPDM (ethylene propylene diene Monomer rubber) remains flexible & pliable in extreme temperatures: ranging from -40F to +175F * Resists Harmful UV Deterioration, 25 Year Warranty. * Certified Fish & Wildlife Safe, Made in the USA! * Ships via Ground package or Freight Truck. Lift Gate service is not included.